Sorex trowbridgii Baird 1857
Sorex trowbridgii Baird 1857, Mammalia, in: Repts. U. S. Expl. Surv., Vol. 8, 1: 13.
Type Locality: USA, "Astoria [mouth of the Columbia River, Clatsop Co.], Oregon ".
Vernacular Names: Trowbridge's Shrew.
Subspecies::
Subspecies Sorex trowbridgii subsp. trowbridgii Baird 1857
Subspecies Sorex trowbridgii subsp. destructioni Scheffer and Dalquest 1942
Subspecies Sorex trowbridgii subsp. humboldtensis Jackson 1922
Subspecies Sorex trowbridgii subsp. mariposae Grinnell 1913
Subspecies Sorex trowbridgii subsp. montereyensis Merriam 1895
Distribution: Coastal ranges from Washington (including Destruction Isl) to California (USA); SW British Columbia (Canada).
Conservation: IUCN – Lower Risk (lc).
Discussion: Referred to unnamed subgenus by George (1988:456). Karyotype variable, 2n = 31-42, FN = 56-60 (Zima et al., 1998). Karyotype data analyzed by Ivanitskaya (1994) also place S. trowbridgii on a distinct branch in her cladogram. Reviewed by George (1989, Mammalian Species No. 337).